# CGT COMPASS vs CGT UD 84

The clearest difference is iOS requirement: CGT UD 84 at 15.0 against CGT COMPASS's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CGT COMPASS ships an update every 12 months, CGT UD 84 every 13 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | CGT COMPASS | CGT UD 84 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 13 months |
| Size | 56 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [CGT COMPASS](https://appshunter.io/developer/1704342208) | [UNION CGT](https://appshunter.io/developer/1739808466) |

## What reviewers say

### CGT COMPASS

[App page](https://appshunter.io/ios/app/cgt-compass/id6463428848)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CGT UD 84

[App page](https://appshunter.io/ios/app/cgt-ud-84/id6737797688)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CGT COMPASS free?

CGT COMPASS is free to download, with no in-app purchases.

### Is CGT UD 84 free?

CGT UD 84 is free to download, with no in-app purchases.

### Do CGT COMPASS or CGT UD 84 have ads?

Neither CGT COMPASS nor CGT UD 84 shows ads.

### Which is updated more often, CGT COMPASS or CGT UD 84?

CGT COMPASS ships an update every 12 months, and CGT UD 84 every 13 months. Most recently, CGT COMPASS was updated on October 30, 2026 and CGT UD 84 on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*